feat: add copy api for lakefs service.

core/src/services/lakefs/backend.rs

@@ -210,6 +210,7 @@ impl Access for LakefsBackend {
                 read: true,
                 write: true,
                 delete: true,
+                copy: true,
                 ..Default::default()
             });
         am.into()
@@ -303,4 +304,15 @@ impl Access for LakefsBackend {
             _ => Err(parse_error(resp).await?),
         }
     }
+
+    async fn copy(&self, from: &str, to: &str, _args: OpCopy) -> Result<RpCopy> {
+        let resp = self.core.copy_object(from, to).await?;
+
+        let status = resp.status();
+
+        match status {
+            StatusCode::CREATED => Ok(RpCopy::default()),
+            _ => Err(parse_error(resp).await?),
+        }
+    }
 }

core/src/services/lakefs/core.rs

@@ -15,12 +15,12 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use std::fmt::Debug;
-
 use http::header;
 use http::Request;
 use http::Response;
 use serde::Deserialize;
+use std::collections::HashMap;
+use std::fmt::Debug;
 
 use crate::raw::*;
 use crate::*;
@@ -194,6 +194,37 @@ impl LakefsCore {
 
         self.client.send(req).await
     }
+
+    pub async fn copy_object(&self, path: &str, dest: &str) -> Result<Response<Buffer>> {
+        let p = build_abs_path(&self.root, path)
+            .trim_end_matches('/')
+            .to_string();
+        let d = build_abs_path(&self.root, dest)
+            .trim_end_matches('/')
+            .to_string();
+
+        let url = format!(
+            "{}/api/v1/repositories/{}/branches/{}/objects/copy?dest_path={}",
+            self.endpoint,
+            self.repository,
+            self.branch,
+            percent_encode_path(&d)
+        );
+
+        let mut req = Request::post(&url);
+
+        let auth_header_content = format_authorization_by_basic(&self.username, &self.password)?;
+        req = req.header(header::AUTHORIZATION, auth_header_content);
+        req = req.header(header::CONTENT_TYPE, "application/json");
+        let mut map = HashMap::new();
+        map.insert("src_path", p);
+
+        let req = req
+            .body(serde_json::to_vec(&map).unwrap().into())
+            .map_err(new_request_build_error)?;
+
+        self.client.send(req).await
+    }
 }
 
 #[derive(Deserialize, Eq, PartialEq, Debug)]

core/src/services/lakefs/docs.md

@@ -12,7 +12,7 @@ This service can be used to:
 - [x] write
 - [ ] create_dir
 - [x] delete
-- [ ] copy
+- [x] copy
 - [ ] rename
 - [x] list
 - [ ] ~~presign~~